Bambu Lab A1 TH Board (FAE009) for A1 / A1 Mini
Genuine Bambu Lab toolhead (TH) board for A1 series printers. This board connects toolhead components (hotend, fans, extruder signals, and sensors) and helps restore reliable operation if the original board is damaged or failing.
When to Replace
- Toolhead connection errors – Intermittent disconnects or repeated fault codes
- Fan/heater not detected – Components stop working despite being intact
- Burn marks or corrosion – Visible damage on PCB or connectors
- Physical damage – Broken connector tabs or lifted pads after service
Compatibility
| A1 Series: A1, A1 Mini |
Specifications
| Bambu Part Number | FAE009 |
| Function | Toolhead board for connecting and controlling A1-series toolhead components. |
Replacement guide: Bambu Lab A1 Toolhead Maintenance Guide








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